Ca. 20 years ago I earned some good money writing a several page tactics guide for a cool new game that appeared way under the radar back then, called UFO: Enemy Unknown.
With Firaxis' update coming out this Fall, I am planning to do the same thing, but the 2-weeks frame is a bit daunting. So if you'd like to share the burden of writing a quality guide, please pm me. The ability to produce screen shots or even videos is definitely a bonus.